Connector module and connector

Abstract

The invention discloses a connector module and a connector. The connector module comprises a first terminal module which comprises a row of first terminals, and a first front injection molding body and a first rear injection molding body which are injection-molded on the first terminals; the second terminal module comprises a row of second terminals, and a second front injection molding body and a second rear injection molding body which are injection-molded on the second terminals; a first holding body on which the first and second terminal modules are mounted, respectively, on a top and a bottom; the third terminal module comprises a row of third terminals, and a third front injection molding body and a third rear injection molding body which are injection-molded on the third terminals; the fourth terminal module comprises a row of fourth terminals, and a fourth front injection molding body and a fourth rear injection molding body which are injection-molded on the fourth terminals; and a second holding body, the third and fourth front injection molded bodies being respectively mounted on the top and bottom of the second holding body. According to the invention, the second holding body is reduced and simplified, so that the first holding body and the second holding body can be identical, and the manufacturing cost is reduced.

Description

Technical Field

[0001] The present invention relates to a connector module and a connector comprising the connector module. Background Art

[0002] In the prior art, a connector including two ports, upper and lower, generally includes a housing and an upper connector module and a lower connector module installed in the housing. The lower connector module includes a first retaining body and a first terminal and a second terminal respectively installed on the top and bottom of the first retaining body. The upper connector module includes a second retaining body and a third terminal and a fourth terminal respectively installed on the top and bottom of the second retaining body.

[0003] In the prior art, the size and structure of the third and fourth terminals are different from those of the first and second terminals, which causes the size and structure of the second retaining body to be different from those of the first retaining body. Therefore, two different sets of molds are required to manufacture the first retaining body and the second retaining body, increasing the manufacturing cost.

[0004] Furthermore, in the prior art, the rear portion of the second retaining body needs to be inserted into the first retaining body, which increases the size of the second retaining body and causes the structure of the second retaining body to become very complicated, which also increases the manufacturing cost. Summary of the invention

[0005] The purpose of the present invention is to solve at least one aspect of the above-mentioned problems and defects in the prior art.

[0006] According to one aspect of the present invention, a connector module is provided. The connector module comprises: a first terminal module, comprising a row of first terminals and a first front injection molding and a first rear injection molding supporting the row of first terminals; a second terminal module, comprising a row of second terminals and a second front injection molding and a second rear injection molding supporting the row of second terminals; a first retaining body, the first terminal module and the second terminal module are respectively mounted on the top and bottom of the first retaining body; a third terminal module, comprising a row of third terminals and a third front injection molding and a third rear injection molding supporting the row of third terminals; a fourth terminal module, comprising a row of fourth terminals and a fourth front injection molding and a fourth rear injection molding supporting the row of fourth terminals; and a second retaining body, the third and fourth front injection moldings are respectively mounted on the top and bottom of the second retaining body to retain the front of the third and fourth terminal modules on the second retaining body.

[0007] According to an exemplary embodiment of the present invention, the third rear injection molded body and the fourth rear injection molded body are inserted into the first holding body to hold the rear portions of the third terminal module and the fourth terminal module on the first holding body.

[0008] According to another exemplary embodiment of the present invention, the first holding body and the second holding body respectively have longitudinal, transverse and height directions, and the first holding body and the second holding body are arranged opposite and parallel to each other in the height direction.

[0009] According to another exemplary embodiment of the present invention, the first holding body and the second holding body are identical.

[0010] According to another exemplary embodiment of the present invention, a first slot and a second slot are formed on the first retaining body, and the third rear injection molded body and the fourth rear injection molded body are inserted into the first slot and the second slot, respectively.

[0011] According to another exemplary embodiment of the present invention, a first card slot is formed on the inner wall surface of the first slot, and a protruding first buckle is formed on the third rear injection-molded body, the first buckle engages with the first card slot to retain the third rear injection-molded body in the first slot; a second card slot is formed on the inner wall surface of the second slot, and a protruding second buckle is formed on the fourth rear injection-molded body, the second buckle engages with the second card slot to retain the fourth rear injection-molded body in the second slot.

[0012] According to another exemplary embodiment of the present invention, a third slot is also formed on the first retaining body, and the first rear injection molded body is inserted into the third slot to retain the rear portion of the first terminal module on the first retaining body; a third card slot is formed on the inner wall surface of the third slot, and a protruding third buckle is formed on the first rear injection molded body, and the third buckle engages with the third card slot to retain the first rear injection molded body in the third slot.

[0013] According to another exemplary embodiment of the present invention, the first retaining body has a front end and a rear end opposite to each other in the longitudinal direction, a left side and a right side opposite to each other in the transverse direction, and a top and a bottom side opposite to each other in the height direction; the first slot, the second slot and the third slot penetrate the first retaining body in the height direction, the first slot is located at the rear end of the first retaining body, the third slot is close to the front end of the first retaining body, and the second slot is located between the first slot and the third slot.

[0014] According to another exemplary embodiment of the present invention, the first card slot is formed on two opposite side walls of the first slot, the second card slot is formed on two opposite side walls of the second slot, and the third card slot is formed on two opposite side walls of the third slot; the first buckle is formed on the left and right sides of the third rear injection molding, the second buckle is formed on the left and right sides of the fourth rear injection molding, and the third buckle is formed on the left and right sides of the first rear injection molding.

[0015] According to another exemplary embodiment of the present invention, a first plug hole and a second plug hole that penetrate the first retaining body along its height direction are formed on the front end of the first retaining body; a protruding first plug column is formed on the bottom surface of the first front injection molded body, and the first plug column is inserted into the first plug hole to retain the front of the first terminal module on the first retaining body; a protruding second plug column is formed on the top surface of the second front injection molded body, and the second plug column is inserted into the second plug hole to retain the front of the second terminal module on the first retaining body.

[0016] According to another exemplary embodiment of the present invention, the first socket includes two first square holes, and the first plug column includes two first square columns corresponding to the two first square holes respectively; the second socket includes a second square hole and two second circular holes, and the second plug column includes a second square column corresponding to the one second square hole and two second circular columns corresponding to the two second circular holes respectively.

[0017] According to another exemplary embodiment of the present invention, the two first square holes, the one second square hole and the two second circular holes are arranged in a row in the transverse direction of the first retaining body; the one second square hole is located between the two first square holes, and the two first square holes are located between the two second circular holes.

[0018] According to another exemplary embodiment of the present invention, a third socket and a fourth socket are formed on the front end of the second retaining body and penetrate the second retaining body along its height direction; a protruding third pin is formed on the bottom surface of the third front injection molding, and the third pin is inserted into the third socket to maintain the front of the third terminal module on the second retaining body; a protruding fourth pin is formed on the top surface of the fourth front injection molding, and the fourth pin is inserted into the fourth socket to maintain the front of the fourth terminal module on the second retaining body.

[0019] According to another exemplary embodiment of the present invention, the third socket includes two third rectangular holes, and the third plug column includes two third rectangular columns corresponding to the two third rectangular holes respectively; the fourth socket includes a fourth square hole and two fourth circular holes, and the fourth plug column includes a fourth square column corresponding to the one fourth square hole and two fourth circular columns corresponding to the two fourth circular holes respectively.

[0020] According to another exemplary embodiment of the present invention, the two third rectangular holes, the one fourth square hole and the two fourth circular holes are arranged in a row in the lateral direction of the second retaining body; the one fourth square hole is located between the two third rectangular holes, and the two third rectangular holes are located between the two fourth circular holes.

[0021] According to another exemplary embodiment of the present invention, a row of first positioning grooves is formed on the bottom of the first retaining body for positioning the row of second terminals; and a row of second positioning grooves is formed on the bottom of the second retaining body for positioning the row of fourth terminals.

[0022] According to another exemplary embodiment of the present invention, the rear portion of the row of first terminals is bent vertically downward relative to the front portion of the row of first terminals, and the rear portion of the row of second terminals is bent vertically downward relative to the front portion of the row of second terminals; the first front injection-molded body is injection-molded on the front portion of the row of first terminals and close to the front end of the row of first terminals, and the first rear injection-molded body is injection-molded on the rear portion of the row of first terminals and close to the rear end of the row of first terminals; the second front injection-molded body is injection-molded on the front portion of the row of second terminals and close to the front end of the row of second terminals, and the second rear injection-molded body is injection-molded on the rear portion of the row of second terminals and close to the rear end of the row of second terminals.

[0023] According to another exemplary embodiment of the present invention, the rear portion of the row of third terminals is bent vertically downward relative to the front portion of the row of third terminals, and the rear portion of the row of fourth terminals is bent vertically downward relative to the front portion of the row of fourth terminals; the third front injection-molded body is injection-molded on the front portion of the row of third terminals and close to the front end of the row of third terminals, and the third rear injection-molded body is injection-molded on the rear portion of the row of third terminals and close to the rear end of the row of third terminals; the fourth front injection-molded body is injection-molded on the front portion of the row of fourth terminals and close to the front end of the row of fourth terminals, and the fourth rear injection-molded body is injection-molded on the rear portion of the row of fourth terminals and close to the rear end of the row of fourth terminals.

[0024] According to another exemplary embodiment of the present invention, the third terminal module further includes two reinforced injection molded bodies respectively injected on the front and rear of the row of third terminals, and the two reinforced injection molded bodies are located between the third front injection molded body and the third rear injection molded body.

[0025] According to another exemplary embodiment of the present invention, the front ends of the row of first terminals and the row of second terminals extend from the front end of the first retaining body for electrical contact with the first pair of mating terminals of the first mating connector; the front ends of the row of third terminals and the row of fourth terminals extend from the front end of the second retaining body for electrical contact with the second pair of mating terminals of the second mating connector; the rear ends of the row of first terminals, the row of second terminals, the row of third terminals and the row of fourth terminals are exposed from the bottom of the first retaining body for welding to a circuit board.

[0026] According to another exemplary embodiment of the present invention, first guide grooves extending along the longitudinal direction of the first retaining body are respectively formed on the outer sides on the left and right sides of the first retaining body, and the first guide grooves are used to cooperate with first guide ribs on the inner sides of the side walls of the connector housing to guide the first retaining body to be inserted into the connector housing; or first guide ribs extending along the longitudinal direction of the first retaining body are respectively formed on the outer sides on the left and right sides of the first retaining body, and the first guide ribs are used to cooperate with the first guide grooves on the inner sides of the side walls of the connector housing to guide the first retaining body to be inserted into the connector housing.

[0027] According to another exemplary embodiment of the present invention, second guide grooves extending along the longitudinal direction of the second retaining body are respectively formed on the outer sides on the left and right sides of the second retaining body, and the second guide grooves are used to cooperate with second guide ribs on the inner side surfaces of the side walls of the connector housing to guide the second retaining body to be inserted into the connector housing; or second guide ribs extending along the longitudinal direction of the second retaining body are respectively formed on the outer sides on the left and right sides of the second retaining body, and the second guide ribs are used to cooperate with the second guide grooves on the inner side surfaces of the side walls of the connector housing to guide the second retaining body to be inserted into the connector housing.

[0028] According to another exemplary embodiment of the present invention, the second retaining body is located directly above the first retaining body and is spaced apart by a predetermined distance in the height direction; the rear portions of the row of third terminals and the row of fourth terminals extend between the rear ends of the first retaining body and the second retaining body; and the front portions of the row of third terminals and the row of fourth terminals extend between the front end and the rear end of the second retaining body.

[0029] According to another aspect of the present invention, a connector is provided, comprising: a connector housing; and the aforementioned connector module inserted into the connector housing.

[0030] According to an exemplary embodiment of the present invention, first guide ribs are respectively formed on the inner side surfaces of the left and right side walls of the connector housing, and the first guide ribs cooperate with the first guide grooves on the first retaining body to guide the first retaining body to be inserted into the connector housing; or first guide grooves are respectively formed on the inner side surfaces of the left and right side walls of the connector housing, and the first guide grooves cooperate with the first guide ribs on the first retaining body to guide the first retaining body to be inserted into the connector housing.

[0031] According to another exemplary embodiment of the present invention, second guide ribs are respectively formed on the inner side surfaces of the left and right side walls of the connector housing, and the second guide ribs cooperate with the second guide grooves on the second retaining body to guide the second retaining body to be inserted into the connector housing; or second guide grooves are respectively formed on the inner side surfaces of the left and right side walls of the connector housing, and the second guide grooves cooperate with the second guide ribs on the second retaining body to guide the second retaining body to be inserted into the connector housing.

[0032] In the above-mentioned various exemplary embodiments according to the present invention, the third front injection molded body and the fourth front injection molded body are respectively mounted on the top and bottom of the second retaining body to allow the second retaining body to be manufactured to be the same as the first retaining body. Therefore, the present invention only needs to use one set of molds to manufacture the first retaining body and the second retaining body, thereby reducing the manufacturing cost.

[0033] In addition, in some of the aforementioned exemplary embodiments of the present invention, the rear portions of the third and fourth terminal modules are inserted into the first retaining body, and therefore, the second retaining body does not need to be inserted into the first retaining body, thereby reducing the volume of the second retaining body and simplifying the structure of the second retaining body, thereby reducing the manufacturing cost of the second retaining body.

[0034] Other objects and advantages of the present invention will become apparent from the following description of the present invention with reference to the accompanying drawings, which will help to provide a comprehensive understanding of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0035] Figure 1 A schematic perspective view showing a connector module according to an exemplary embodiment of the present invention viewed from the top;

[0036] Figure 2 A perspective schematic diagram showing a connector module according to an exemplary embodiment of the present invention viewed from the bottom;

[0037] Figure 3 A cross-sectional view showing a connector module according to an exemplary embodiment of the present invention;

[0038] Figure 4 An exploded schematic diagram showing a connector module according to an exemplary embodiment of the present invention;

[0039] Figure 5 An exploded schematic diagram showing a lower connector module according to an exemplary embodiment of the present invention viewed from the top;

[0040] Figure 6 An exploded schematic diagram showing a lower connector module according to an exemplary embodiment of the present invention viewed from the bottom;

[0041] Figure 7 An exploded schematic diagram showing an upper connector module according to an exemplary embodiment of the present invention viewed from the top;

[0042] Figure 8 An exploded schematic diagram showing an upper connector module according to an exemplary embodiment of the present invention viewed from the bottom;

[0043] Fig. 9 An exploded schematic diagram showing a connector according to an exemplary embodiment of the present invention;

[0044] Fig.10 A three-dimensional schematic diagram showing a connector according to an exemplary embodiment of the present invention. DETAILED DESCRIPTION

[0045] The technical solution of the present invention is further specifically described below by examples and in conjunction with the accompanying drawings. In the specification, the same or similar reference numerals indicate the same or similar components. The following description of the embodiments of the present invention with reference to the accompanying drawings is intended to explain the overall inventive concept of the present invention and should not be construed as a limitation of the present invention.

[0046] In addition, in the detailed description below, for ease of explanation, many specific details are set forth to provide a comprehensive understanding of the disclosed embodiments. However, it is apparent that one or more embodiments may be implemented without these specific details. In other cases, known structures and devices are embodied in a schematic manner to simplify the accompanying drawings.

[0047] According to an overall technical concept of the present invention, a connector module is provided. The connector module includes: a first terminal module, including a row of first terminals and a first front injection molded body and a first rear injection molded body supporting the row of first terminals; a second terminal module, including a row of second terminals and a second front injection molded body and a second rear injection molded body supporting the row of second terminals; a first retaining body, the first terminal module and the second terminal module are respectively mounted on the top and bottom of the first retaining body; a third terminal module, including a row of third terminals and a third front injection molded body and a third rear injection molded body supporting the row of third terminals; a fourth terminal module, including a row of fourth terminals and a fourth front injection molded body and a fourth rear injection molded body supporting the row of fourth terminals; and a second retaining body, the third and fourth front injection molded bodies are respectively mounted on the top and bottom of the second retaining body to retain the front of the third and fourth terminal modules on the second retaining body.

[0048] According to another general technical concept of the present invention, a connector is provided, comprising: a connector housing; and the aforementioned connector module inserted into the connector housing.

[0049] Figure 1 A schematic perspective view showing a connector module according to an exemplary embodiment of the present invention viewed from the top; Figure 2 A perspective schematic diagram showing a connector module according to an exemplary embodiment of the present invention viewed from the bottom; Figure 3 A cross-sectional view showing a connector module according to an exemplary embodiment of the present invention; Figure 4 An exploded schematic diagram showing a connector module according to an exemplary embodiment of the present invention; Figure 5 An exploded schematic diagram showing a lower connector module according to an exemplary embodiment of the present invention viewed from the top;

[0050] Figure 6 An exploded schematic diagram showing a lower connector module according to an exemplary embodiment of the present invention viewed from the bottom; Figure 7 An exploded schematic diagram showing an upper connector module according to an exemplary embodiment of the present invention viewed from the top; Figure 8 An exploded schematic diagram showing an upper connector module according to an exemplary embodiment of the present invention as viewed from the bottom.

[0051] like Figures 1 to 8 As shown, in an exemplary embodiment of the present invention, a connector module is disclosed. The connector module includes: a first terminal module 110 , a second terminal module 120 , a third terminal module 210 , a fourth terminal module 220 , a first holding body 1 , and a second holding body 2 .

[0052] like Figures 1 to 8As shown, in the illustrated embodiment, the first terminal module 110 includes a row of first terminals 11 and a first front injection molded body 111 and a first rear injection molded body 112 molded on the row of first terminals 11. The second terminal module 120 includes a row of second terminals 12 and a second front injection molded body 121 and a second rear injection molded body 122 molded on the row of second terminals 12. The first terminal module 110 and the second terminal module 120 are respectively mounted on the top and bottom of the first retaining body 1. In the illustrated embodiment, the first terminal module 110, the second terminal module 120 and the first retaining body 1 constitute a lower connector module.

[0053] like Figures 1 to 8 As shown, in the illustrated embodiment, the third terminal module 210 includes a row of third terminals 21 and a third front injection molded body 211 and a third rear injection molded body 212 molded on the row of third terminals 21. The fourth terminal module 220 includes a row of fourth terminals 22 and a fourth front injection molded body 221 and a fourth rear injection molded body 222 molded on the row of fourth terminals 22. The third front injection molded body 211 and the fourth front injection molded body 221 are respectively mounted on the top and bottom of the second holding body 2 to hold the front of the third terminal module 210 and the fourth terminal module 220 on the second holding body 2. In the illustrated embodiment, the third terminal module 210, the fourth terminal module 220 and the second holding body 2 constitute an upper connector module.

[0054] like Figures 1 to 8 As shown, in the illustrated embodiment, the third rear injection molding body 212 and the fourth rear injection molding body 222 are respectively inserted into the first holding body 1 to hold the rear of the third terminal module 210 and the fourth terminal module 220 on the first holding body 1. Therefore, the present invention does not need to insert the rear of the second holding body 2 into the first holding body 1, thereby reducing the volume of the second holding body 2, simplifying the structure of the second holding body 2, and reducing the manufacturing cost of the second holding body 2.

[0055] like Figures 1 to 8 As shown, in the illustrated embodiment, the first retaining body 1 and the second retaining body 2 are the same. In this way, the manufacturing cost can be further reduced. However, please note that the present invention is not limited to the illustrated embodiment, for example, the first retaining body 1 and the second retaining body 2 may also be different.

[0056] like Figures 1 to 8 As shown, in the illustrated embodiment, a first slot 101 and a second slot 102 are formed on the first retaining body 1, and the third rear injection body 212 and the fourth rear injection body 222 are inserted into the first slot 101 and the second slot 102 respectively.

[0057] like Figures 1 to 8As shown, in the illustrated embodiment, a first card slot 101a is formed on the inner wall surface of the first slot 101, and a protruding first card buckle 212a is formed on the third rear injection molded body 212, and the first card buckle 212a engages with the first card slot 101a to retain the third rear injection molded body 212 in the first slot 101. A second card slot 102a is formed on the inner wall surface of the second slot 102, and a protruding second card buckle 222a is formed on the fourth rear injection molded body 222, and the second card buckle 222a engages with the second card slot 102a to retain the fourth rear injection molded body 222 in the second slot 102.

[0058] like Figures 1 to 8 As shown, in the illustrated embodiment, a third slot 103 is further formed on the first holding body 1, and the first rear injection molding body 112 is inserted into the third slot 103 to hold the rear portion of the first terminal module 110 on the first holding body 1. A third clamping groove 103a is formed on the inner wall surface of the third slot 103, and a protruding third buckle 112a is formed on the first rear injection molding body 112, and the third buckle 112a is engaged with the third slot 103a to hold the first rear injection molding body 112 in the third slot 103.

[0059] like Figures 1 to 8 As shown, in the illustrated embodiment, the first holding body 1 has a front end and a rear end opposite to each other in the longitudinal direction, a left side and a right side opposite to each other in the transverse direction, and a top and a bottom side opposite to each other in the height direction. The first slot 101, the second slot 102, and the third slot 103 penetrate the first holding body 1 in the height direction, the first slot 101 is located at the rear end of the first holding body 1, the third slot 103 is close to the front end of the first holding body 1, and the second slot 102 is located between the first slot 101 and the third slot 103.

[0060] like Figures 1 to 8 As shown, in the illustrated embodiment, first card slots 101a are formed on two opposite side walls of the first slot 101, second card slots 102a are formed on two opposite side walls of the second slot 102, and third card slots 103a are formed on two opposite side walls of the third slot 103. First buckles 212a are formed on the left and right sides of the third rear injection molding 212, second buckles 222a are formed on the left and right sides of the fourth rear injection molding 222, and third buckles 112a are formed on the left and right sides of the first rear injection molding 112.

[0061] like Figures 1 to 8As shown, in the illustrated embodiment, a first insertion hole 1c and second insertion holes 1a, 1b are formed on the front end of the first retaining body 1, which penetrate the first retaining body 1 along its height direction. A protruding first plug 111c is formed on the bottom surface of the first front injection molded body 111, and the first plug 111c is inserted into the first insertion hole 1c to retain the front part of the first terminal module 110 on the first retaining body 1. Protruding second plugs 121a, 121b are formed on the top surface of the second front injection molded body 121, and the second plugs 121a, 121b are inserted into the second insertion holes 1a, 1b to retain the front part of the second terminal module 120 on the first retaining body 1. In the illustrated embodiment, the first plug 111c is interference fit with the first insertion hole 1c, and the second plugs 121a, 121b are interference fit with the second insertion holes 1a, 1b.

[0062] like Figures 1 to 8 As shown, in the illustrated embodiment, the first plug hole 1c includes two first square holes 1c, and the first plug column 111c includes two first square columns 111c corresponding to the two first square holes 1c respectively. The second plug holes 1a, 1b include one second square hole 1b and two second circular holes 1a, and the second plug columns 121a, 121b include one second square column 121b corresponding to one second square hole 1b and two second circular columns 121a corresponding to the two second circular holes 1a respectively.

[0063] like Figures 1 to 8 As shown, in the illustrated embodiment, two first square holes 1c, one second square hole 1b and two second circular holes 1a are arranged in a row in the transverse direction of the first holding body 1. One second square hole 1b is located between the two first square holes 1c, and the two first square holes 1c are located between the two second circular holes 1a.

[0064] like Figures 1 to 8 As shown, in the illustrated embodiment, a third plug hole 2c and fourth plug holes 2a, 2b are formed on the front end of the second holding body 2, which penetrate the second holding body 2 along its height direction. A protruding third plug post 211c is formed on the bottom surface of the third front injection molding 211, and the third plug post 211c is inserted into the third plug hole 2c to hold the front part of the third terminal module 210 on the second holding body 2. Protruding fourth plug posts 221a, 221b are formed on the top surface of the fourth front injection molding 221, and the fourth plug posts 221a, 221b are inserted into the fourth plug holes 2a, 2b to hold the front part of the fourth terminal module 220 on the second holding body 2. In the illustrated embodiment, the third plug post 211c is interference fit with the third plug hole 2c, and the fourth plug posts 221a, 221b are interference fit with the fourth plug holes 2a, 2b.

[0065] like Figures 1 to 8As shown, in the illustrated embodiment, the third plug hole 2c includes two third rectangular holes 2c, and the third plug column 211c includes two third rectangular columns 211c corresponding to the two third rectangular holes 2c. The fourth plug holes 2a, 2b include a fourth square hole 2b and two fourth circular holes 2a, and the fourth plug columns 221a, 221b include a fourth square column 221b corresponding to one fourth square hole 2b and two fourth circular columns 221a corresponding to the two fourth circular holes 2a.

[0066] like Figures 1 to 8 As shown, in the illustrated embodiment, two third rectangular holes 2c, one fourth square hole 2b and two fourth circular holes 2a are arranged in a row in the transverse direction of the second holding body 2. One fourth square hole 2b is located between the two third rectangular holes 2c, and the two third rectangular holes 2c are located between the two fourth circular holes 2a.

[0067] like Figures 1 to 8 As shown, in the illustrated embodiment, a row of first positioning grooves 1d is formed on the bottom of the first holding body 1 for positioning a row of second terminals 12. A row of second positioning grooves 2d is formed on the bottom of the second holding body 2 for positioning a row of fourth terminals 22.

[0068] like Figures 1 to 8 As shown, in the illustrated embodiment, the rear portion of a row of first terminals 11 is vertically bent downward relative to the front portion of a row of first terminals 11, and the rear portion of a row of second terminals 12 is vertically bent downward relative to the front portion of a row of second terminals 12. The first front injection molding 111 is injection molded on the front portion of a row of first terminals 11 and close to the front end 11c of the row of first terminals 11, and the first rear injection molding 112 is injection molded on the rear portion of a row of first terminals 11 and close to the rear end 11d of the row of first terminals 11. The second front injection molding 121 is injection molded on the front portion of a row of second terminals 12 and close to the front end 12c of the row of second terminals 12, and the second rear injection molding 122 is injection molded on the rear portion of a row of second terminals 12 and close to the rear end 12d of the row of second terminals 12.

[0069] like Figures 1 to 8As shown, in the illustrated embodiment, the rear portion of a row of third terminals 21 is vertically bent downward relative to the front portion of a row of third terminals 21, and the rear portion of a row of fourth terminals 22 is vertically bent downward relative to the front portion of a row of fourth terminals 22. The third front injection molding 211 is injection molded on the front portion of a row of third terminals 21 and close to the front end 21c of the row of third terminals 21, and the third rear injection molding 212 is injection molded on the rear portion of a row of third terminals 21 and close to the rear end 21d of the row of third terminals 21. The fourth front injection molding 221 is injection molded on the front portion of a row of fourth terminals 22 and close to the front end 22c of the row of fourth terminals 22, and the fourth rear injection molding 222 is injection molded on the rear portion of a row of fourth terminals 22 and close to the rear end 22d of the row of fourth terminals 22.

[0070] like Figures 1 to 8 As shown, in the illustrated embodiment, the third terminal module 210 also includes two reinforced injection moldings 213 respectively injected on the front 21a and rear 21b of a row of third terminals 21, and the two reinforced injection moldings 213 are located between the third front injection molding 211 and the third rear injection molding 212.

[0071] like Figures 1 to 8 As shown, in the illustrated embodiment, the front ends 11c, 12c of a row of first terminals 11 and a row of second terminals 12 extend from the front end of the first retaining body 1, and are used to electrically contact a first pair of mating terminals (not shown) of a first pair of mating connectors (not shown). The front ends 21c, 22c of a row of third terminals 21 and a row of fourth terminals 22 extend from the front end of the second retaining body 2, and are used to electrically contact a second pair of mating terminals (not shown) of a second pair of mating connectors (not shown). The rear ends 11d, 12d, 21d, 22d of a row of first terminals 11, a row of second terminals 12, a row of third terminals 21, and a row of fourth terminals 22 are exposed from the bottom of the first retaining body 1, and are used to be soldered to a circuit board (not shown).

[0072] like Figures 1 to 8 As shown, in the illustrated embodiment, first guide grooves 1e extending in the longitudinal direction of the first retaining body 1 are respectively formed on the outer surfaces on the left and right sides of the first retaining body 1, and the first guide grooves 1e are used to cooperate with the first guide ribs 31 on the inner side of the side wall of the connector housing 3 to guide the first retaining body 1 to be inserted into the connector housing 3. However, the present invention is not limited to the illustrated embodiment, for example, first guide ribs extending in the longitudinal direction of the first retaining body 1 may be respectively formed on the outer surfaces on the left and right sides of the first retaining body 1, and the first guide ribs are used to cooperate with the first guide grooves on the inner side of the side wall of the connector housing 3 to guide the first retaining body 1 to be inserted into the connector housing 3.

[0073] like Figures 1 to 8As shown, in the illustrated embodiment, second guide grooves 2e extending in the longitudinal direction of the second retaining body 2 are respectively formed on the outer sides of the left and right sides of the second retaining body 2, and the second guide grooves 2e are used to cooperate with the second guide ribs 32 on the inner side of the side wall of the connector housing 3 to guide the second retaining body 2 to be inserted into the connector housing 3. However, the present invention is not limited to the illustrated embodiment, for example, second guide ribs extending in the longitudinal direction of the second retaining body 2 may be respectively formed on the outer sides of the left and right sides of the second retaining body 2, and the second guide ribs are used to cooperate with the second guide grooves on the inner side of the side wall of the connector housing 3 to guide the second retaining body 2 to be inserted into the connector housing 3.

[0074] like Figures 1 to 8 As shown, in the illustrated embodiment, the second holding body 2 is located directly above the first holding body 1 and is spaced a predetermined distance in the height direction. The rear portions 21b, 22b of a row of third terminals 21 and a row of fourth terminals 22 extend between the rear ends of the first holding body 1 and the second holding body 2. The front portions 21a, 22a of a row of third terminals 21 and a row of fourth terminals 22 extend between the front end and the rear end of the second holding body 2.

[0075] Fig. 9 An exploded schematic diagram showing a connector according to an exemplary embodiment of the present invention; Fig.10 A three-dimensional schematic diagram showing a connector according to an exemplary embodiment of the present invention.

[0076] like Figures 1 to 10 As shown, in another exemplary embodiment of the present invention, a connector is also disclosed. The connector comprises: a connector housing 3 and the aforementioned connector module. The connector module is inserted into the connector housing 3.

[0077] like Figures 1 to 10 As shown, in the illustrated embodiment, first guide ribs 31 are respectively formed on the inner side surfaces of the left and right side walls of the connector housing 3, and the first guide ribs 31 cooperate with the first guide grooves 1e on the first retaining body 1 to guide the first retaining body 1 to be inserted into the connector housing 3. However, the present invention is not limited to the illustrated embodiment, for example, first guide grooves may be respectively formed on the inner side surfaces of the left and right side walls of the connector housing 3, and the first guide grooves cooperate with the first guide ribs on the first retaining body 1 to guide the first retaining body 1 to be inserted into the connector housing 3.

[0078] like Figures 1 to 10As shown, in the illustrated embodiment, second guide ribs 32 are respectively formed on the inner side surfaces of the left and right side walls of the connector housing 3, and the second guide ribs 32 cooperate with the second guide grooves 2e on the second retaining body 2 to guide the second retaining body 2 to be inserted into the connector housing 3. However, the present invention is not limited to the illustrated embodiment, for example, second guide grooves may be respectively formed on the inner side surfaces of the left and right side walls of the connector housing 3, and the second guide grooves cooperate with the second guide ribs on the second retaining body 2 to guide the second retaining body 2 to be inserted into the connector housing 3.

[0079] Those skilled in the art will appreciate that the embodiments described above are exemplary and may be improved upon by those skilled in the art. The structures described in the various embodiments may be freely combined without causing any conflicts in structure or principle, and these changes should fall within the scope of protection of the present invention.

[0080] Although the present invention has been described in conjunction with the accompanying drawings, the embodiments disclosed in the accompanying drawings are intended to exemplify the preferred implementations of the present invention and should not be construed as limiting the present invention.

[0081] Although some embodiments of the general inventive concept have been shown and described, it will be appreciated by those skilled in the art that changes may be made to these embodiments without departing from the principles and spirit of the general inventive concept, the scope of which is defined in the claims and their equivalents.

[0082] It should be noted that the word "comprising" does not exclude other elements or steps, and the word "a" or "an" does not exclude a plurality. In addition, any element reference signs in the claims shall not be construed as limiting the scope of the present invention.

Claims

1. A connector module, characterized in that: include: A first terminal module (110) comprises a row of first terminals (11) and a first front injection molded body (111) and a first rear injection molded body (112) supporting the row of first terminals (11); A second terminal module (120) comprises a row of second terminals (12) and a second front injection molded body (121) and a second rear injection molded body (122) supporting the row of second terminals (12); A first holding body (1), the first terminal module (110) and the second terminal module (120) being mounted on the top and bottom of the first holding body (1), respectively; A third terminal module (210), comprising a row of third terminals (21) and a third front injection molded body (211) and a third rear injection molded body (212) supporting the row of third terminals (21); A fourth terminal module (220), comprising a row of fourth terminals (22) and a fourth front injection molded body (221) and a fourth rear injection molded body (222) supporting the row of fourth terminals (22); and A second holding body (2), the third and fourth front injection molding bodies (211, 221) are respectively mounted on the top and bottom of the second holding body (2) to hold the front parts of the third and fourth terminal modules (210, 220) on the second holding body (2).

2. The connector module according to claim 1, characterized in that: The third rear injection molded body (212) and the fourth rear injection molded body (212, 222) are inserted into the first retaining body (1) to retain the rear parts of the third terminal module (210) and the fourth terminal module (220) on the first retaining body (1).

3. The connector module according to claim 1, characterized in that: The first holding body (1) and the second holding body (2) respectively have longitudinal, transverse and height directions, and the first holding body (1) and the second holding body (2) are arranged opposite to each other and parallel to each other in the height direction.

4. The connector module according to claim 1 or 3, characterized in that: The first holding body (1) and the second holding body (2) are identical.

5. The connector module according to claim 1, characterized in that: A first slot (101) and a second slot (102) are formed on the first retaining body (1), and the third rear injection body (212) and the fourth rear injection body (222) are respectively inserted into the first slot (101) and the second slot (102).

6. The connector module according to claim 4, characterized in that: A first clamping groove (101a) is formed on the inner wall surface of the first slot (101), and a protruding first clamping buckle (212a) is formed on the third rear injection molded body (212), and the first clamping buckle (212a) is engaged with the first clamping groove (101a) to retain the third rear injection molded body (212) in the first slot (101); A second card slot (102a) is formed on the inner wall surface of the second slot (102), and a protruding second buckle (222a) is formed on the fourth rear injection molded body (222), and the second buckle (222a) engages with the second card slot (102a) to retain the fourth rear injection molded body (222) in the second slot (102).

7. The connector module according to claim 4, characterized in that: A third slot (103) is also formed on the first retaining body (1), and the first rear injection molding body (112) is inserted into the third slot (103) to retain the rear portion of the first terminal module (110) on the first retaining body (1); A third slot (103a) is formed on the inner wall surface of the third slot (103), and a protruding third buckle (112a) is formed on the first rear injection molded body (112), and the third buckle (112a) engages with the third slot (103a) to retain the first rear injection molded body (112) in the third slot (103).

8. The connector module according to claim 7, characterized in that: The first holding body (1) has a front end and a rear end opposite to each other in the longitudinal direction, a left side and a right side opposite to each other in the transverse direction, and a top and a bottom opposite to each other in the height direction; The first slot (101), the second slot (102) and the third slot (103) penetrate the first retaining body (1) in the height direction; the first slot (101) is located at the rear end of the first retaining body (1), the third slot (103) is close to the front end of the first retaining body (1), and the second slot (102) is located between the first slot (101) and the third slot (103).

9. The connector module according to claim 8, characterized in that: The first card slot (101a) is formed on two opposite side walls of the first slot (101), the second card slot (102a) is formed on two opposite side walls of the second slot (102), and the third card slot (103a) is formed on two opposite side walls of the third slot (103); The first buckle (212a) is formed on the left and right sides of the third rear injection molded body (212), the second buckle (222a) is formed on the left and right sides of the fourth rear injection molded body (222), and the third buckle (112a) is formed on the left and right sides of the first rear injection molded body (112).

10. The connector module according to claim 1, characterized in that: A first insertion hole (1c) and a second insertion hole (1a, 1b) are formed on the front end of the first holding body (1) and penetrate the first holding body (1) along its height direction; A protruding first plug post (111c) is formed on the bottom surface of the first front injection molded body (111), and the first plug post (111c) is inserted into the first plug hole (1c) to hold the front of the first terminal module (110) on the first holding body (1); A protruding second plug post (121a, 121b) is formed on the top surface of the second front injection molded body (121), and the second plug post (121a, 121b) is inserted into the second insertion hole (1a, 1b) to hold the front of the second terminal module (120) on the first retaining body (1).

11. The connector module according to claim 10, characterized in that: The first plug hole (1c) comprises two first square holes (1c), and the first plug column (111c) comprises two first square columns (111c) respectively corresponding to the two first square holes (1c); The second insertion holes (1a, 1b) include a second square hole (1b) and two second circular holes (1a), and the second insertion columns (121a, 121b) include a second square column (121b) corresponding to the second square hole (1b) and two second circular columns (121a) corresponding to the two second circular holes (1a).

12. The connector module according to claim 11, characterized in that: The two first square holes (1c), the one second square hole (1b) and the two second circular holes (1a) are arranged in a row in the transverse direction of the first retaining body (1); The one second square hole (1b) is located between the two first square holes (1c), and the two first square holes (1c) are located between the two second circular holes (1a).

13. The connector module according to claim 10, characterized in that: A third insertion hole (2c) and a fourth insertion hole (2a, 2b) are formed on the front end of the second holding body (2) and penetrate the second holding body (2) along its height direction; A protruding third plug post (211c) is formed on the bottom surface of the third front injection molded body (211), and the third plug post (211c) is inserted into the third plug hole (2c) to hold the front part of the third terminal module (210) on the second holding body (2); A protruding fourth plug post (221a, 221b) is formed on the top surface of the fourth front injection molded body (221), and the fourth plug post (221a, 221b) is inserted into the fourth insertion hole (2a, 2b) to hold the front of the fourth terminal module (220) on the second retaining body (2).

14. The connector module according to claim 13, characterized in that: The third plug hole (2c) comprises two third-party rectangular holes (2c), and the third plug column (211c) comprises two third-party rectangular columns (211c) respectively corresponding to the two third-party rectangular holes (2c); The fourth insertion holes (2a, 2b) include a fourth square hole (2b) and two fourth circular holes (2a), and the fourth insertion columns (221a, 221b) include a fourth square column (221b) corresponding to the fourth square hole (2b) and two fourth circular columns (221a) corresponding to the two fourth circular holes (2a).

15. The connector module according to claim 14, characterized in that: The two third rectangular holes (2c), the one fourth square hole (2b) and the two fourth circular holes (2a) are arranged in a row in the transverse direction of the second retaining body (2); The one fourth square hole (2b) is located between the two third third rectangular holes (2c), and the two third third rectangular holes (2c) are located between the two fourth circular holes (2a).

16. The connector module according to claim 1, characterized in that: A row of first positioning grooves (1d) is formed on the bottom of the first retaining body (1) for positioning the row of second terminals (12); and A row of second positioning grooves (2d) is formed on the bottom of the second retaining body (2) for positioning the row of fourth terminals (22).

17. The connector module according to claim 1, characterized in that: The rear portions of the row of first terminals (11) are bent vertically downward relative to the front portions of the row of first terminals (11), and the rear portions of the row of second terminals (12) are bent vertically downward relative to the front portions of the row of second terminals (12); The first front injection molded body (111) is injection molded on the front part of the row of first terminals (11) and close to the front end (11c) of the row of first terminals (11), and the first rear injection molded body (112) is injection molded on the rear part of the row of first terminals (11) and close to the rear end (11d) of the row of first terminals (11); The second front injection-molded body (121) is injection-molded on the front part of the row of second terminals (12) and close to the front end (12c) of the row of second terminals (12), and the second rear injection-molded body (122) is injection-molded on the rear part of the row of second terminals (12) and close to the rear end (12d) of the row of second terminals (12).

18. The connector module according to claim 17, characterized in that: The rear portion of the row of third terminals (21) is bent vertically downward relative to the front portion of the row of third terminals (21), and the rear portion of the row of fourth terminals (22) is bent vertically downward relative to the front portion of the row of fourth terminals (22); The third front injection molded body (211) is injection molded on the front part of the row of third terminals (21) and close to the front end (21c) of the row of third terminals (21), and the third rear injection molded body (212) is injection molded on the rear part of the row of third terminals (21) and close to the rear end (21d) of the row of third terminals (21); The fourth front injection-molded body (221) is injection-molded on the front part of the row of fourth terminals (22) and close to the front end (22c) of the row of fourth terminals (22), and the fourth rear injection-molded body (222) is injection-molded on the rear part of the row of fourth terminals (22) and close to the rear end (22d) of the row of fourth terminals (22).

19. The connector module according to claim 18, characterized in that: The third terminal module (210) further comprises two reinforced injection-molded bodies (213) respectively injection-molded on the front portion (21a) and the rear portion (21b) of the row of third terminals (21), wherein the two reinforced injection-molded bodies (213) are located between the third front injection-molded body (211) and the third rear injection-molded body (212).

20. The connector module according to claim 18, characterized in that: The front ends (11c, 12c) of the row of first terminals (11) and the row of second terminals (12) extend from the front end of the first retaining body (1) and are used to electrically contact with a first pair of mating terminals of a first mating connector; The front ends (21c, 22c) of the row of third terminals (21) and the row of fourth terminals (22) extend from the front end of the second retaining body (2) and are used to electrically contact with the second pair of mating terminals of the second mating connector; The rear ends (11d, 12d, 21d, 22d) of the row of first terminals (11), the row of second terminals (12), the row of third terminals (21) and the row of fourth terminals (22) are exposed from the bottom of the first retaining body (1) for welding to a circuit board.

21. The connector module according to claim 1, characterized in that: First guide grooves (1e) extending in the longitudinal direction of the first retaining body (1) are respectively formed on the outer sides of the left and right sides of the first retaining body (1), and the first guide grooves (1e) are used to cooperate with first guide ribs (31) on the inner side of the side wall of the connector housing (3) to guide the first retaining body (1) to be inserted into the connector housing (3); or First guide ribs extending in the longitudinal direction of the first retaining body (1) are respectively formed on the outer side surfaces on the left and right sides of the first retaining body (1), and the first guide ribs are used to cooperate with the first guide grooves on the inner side surfaces of the side walls of the connector housing (3) to guide the first retaining body (1) to be inserted into the connector housing (3).

22. The connector module according to claim 21, characterized in that: Second guide grooves (2e) extending in the longitudinal direction of the second retaining body (2) are respectively formed on the outer sides of the left and right sides of the second retaining body (2), and the second guide grooves (2e) are used to cooperate with second guide ribs (32) on the inner side of the side wall of the connector housing (3) to guide the second retaining body (2) to be inserted into the connector housing (3); or Second guide ribs extending in the longitudinal direction of the second retaining body (2) are respectively formed on the outer sides on the left and right sides of the second retaining body (2), and the second guide ribs are used to cooperate with second guide grooves on the inner side surfaces of the side walls of the connector housing (3) to guide the second retaining body (2) to be inserted into the connector housing (3).

23. The connector module according to claim 1, characterized in that: The second holding body (2) is located directly above the first holding body (1) and is spaced apart by a predetermined distance in the height direction; The rear portions (21b, 22b) of the row of third terminals (21) and the row of fourth terminals (22) extend between the rear ends of the first retaining body (1) and the second retaining body (2); The front portions (21a, 22a) of the row of third terminals (21) and the row of fourth terminals (22) extend between the front end and the rear end of the second holding body (2).

24. A connector, characterized in that: include: Connector housing (3); and The connector module according to any one of claims 1 to 23 is inserted into the connector housing (3).

25. The connector according to claim 24, characterized in that: First guide ribs (31) are respectively formed on the inner side surfaces of the left and right side walls of the connector housing (3), and the first guide ribs (31) cooperate with the first guide grooves (1e) on the first retaining body (1) to guide the first retaining body (1) to be inserted into the connector housing (3); or First guide grooves are respectively formed on the inner side surfaces of the left and right side walls of the connector housing (3), and the first guide grooves cooperate with the first guide ribs on the first retaining body (1) to guide the first retaining body (1) to be inserted into the connector housing (3).

26. The connector according to claim 25, characterized in that: Second guide ribs (32) are respectively formed on the inner side surfaces of the left and right side walls of the connector housing (3), and the second guide ribs (32) cooperate with the second guide grooves (2e) on the second retaining body (2) to guide the second retaining body (2) to be inserted into the connector housing (3); or Second guide grooves are respectively formed on the inner side surfaces of the left and right side walls of the connector housing (3), and the second guide grooves cooperate with second guide ribs on the second retaining body (2) to guide the second retaining body (2) to be inserted into the connector housing (3).

Images